Home / 115,961.84-173,901.72-55,164.88

Finding the Fourth Proportional to 115,961.84, 173,901.72 and 55,164.88

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Solution

The fourth proportional to 115,961.84, 173,901.72 and 55,164.88 is: 82,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,961.84 : 173,901.72 = 55,164.88 : x
  2. Step 2: Convert to fraction form
    115,961.84/173,901.72 = 55,164.88/x
  3. Step 3: Cross multiply
    115,961.84x = 173,901.72 × 55,164.88
  4. Step 4: Simplify right side
    115,961.84x = 9,593,267,515.59
  5. Step 5: Solve for x
    x = 9,593,267,515.59/115,961.84
  6. Step 6: Final answer
    x = 82,727.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.